Lead characteristics Lead characteristics Num. (%) or mean (±SD) Num. (%) or mean (±SD) Num. (%) or mean (±SD) p-value
Total leads Unipolar non-steroid-eluting lead (Num.= 59) Bipolar steroid-eluting lead (Num.= 30)
Age at implant Age at implant 15 (1-75) 20 (1-74) 10 (2-76) 0.94
Age at implant ≤18-year-old 47 (52.81) 29 (49.15) 18 (60.00) 0.34
18-year-old< 42 (47.19) 30 (50.85) 12 (40.00)
Sex Female 48 (53.93) 32 (54.24) 16 (53.33) 0.96
Male 41 (46.07) 27 (45.76) 14 (46.67)
Congenital heart defect Yes 42 (47.19) 32 (52.24) 10 (33.33) 0.0.06
No 47 (52.81) 27 (45.76)) 20 (66.67)
Lead location Right ventricle 18 (23.38) 12 (24.49) 6 (21.43) 0.76
Left ventricle 59 (76.62) 37 (75.51) 22 (78.57)
Exact location LV 52 (67.53) 32 (65.31) 20 (71.43) -
RV 16 (32.47) 10 (20.41) 6 (21.43)
RA & RV 2 (2.6) 2 (4.08) 0 (0.00)
RA & LV 7 (9.09) 5 (10.20) 2 (7.14)
Pacing mode DDD or VDD 23 (31.51) 16 (34.04) 7 (26.92) 0.53
VVI or VVIR 50 (68.49) 31 (69.96) 19 (73.08)
Device CRT 12 (14.81) 6 (11.32) 6 (21.43) 0.23
PPM-DR or PPM-SR 69 (85.19) 47 (88.68) 22 (78.57)